. Author manuscript; available in PMC: 2019 Jan 2.

Published in final edited form as: Semin Perinatol. 2016 Apr 23;40(5):303–306. doi: 10.1053/j.semperi.2016.03.007

Table 2 –

Multivariate analysis of risk for delivery room resuscitation in the BEAM study.

Variable	Odds ratio	95% CI
Cord magnesium concentration^a	0.92	0.83–1.03
General anesthesia	2.51	1.72–3.68
Maternal narcotics	0.97	0.80–1.19
Gestational age^b	0.63	0.60–0.66

Modified from Johnson LH et al.¹⁴.

For each 1.0 mEq/L increase.

For each 1-week increase.